Salty MD-4 Dome Lens Port

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Product Details

This 4 inch dome lens port suits the Salty Surf Mini Port System for the following lenses between 50-65mm in length.
  • Samyang 8mm f/2.8 II Fisheye
  • Rokinon 8mm f/2.8 II Fisheye
  • Sony E-Mount 16mm f/2.8 with converter
  • Sony E-Mount 10-18mm f/4 (requires 25mm Port Extender)
  • Fujifilm 14mm f/2.8
  • Fujifilm 18mm f/2
  • Fujifilm 23mm f/1.4
  • Fujifilm 23mm f/2
  • Fujifilm 27mm f/2.8
  • Fujifilm 35mm f/1.4
  • Sony 28m f/2 FE
  • Sony 35mm f/1.8
  • Sony 50mm f/1.8
  • Sony 50mm f/1.8 FE
  • Panasonic 25mm F1.7

4 Inch Dome is the best for shooting above water, in-barrel shots with a fisheye lens.


  • Compact size
  • Small surface area, minimising potential for water drops and reflections
  • Cheapest


  • Can result in un-sharp image corners when shooting underwater
  • Difficult to shoot over/under shots.

For best optical results, the front of the lens should align (or close to) the base of the acrylic of the dome. This dome port is 100mm in diameter.